Overview
The MAX1248BEEE+T, produced by Analog Devices Inc./Maxim Integrated, is a 10-bit data-acquisition system that integrates a 4-channel multiplexer, high-bandwidth track/hold, and a serial interface. This device is designed for low-power consumption and operates from a single supply voltage ranging from +2.7V to +5.25V. It is particularly suited for applications requiring high conversion speed and flexible analog input configurations.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 10 bits |
| Number of Channels | 4 |
| Supply Voltage | +2.7V to +5.25V |
| Conversion Mode | Unipolar/Bipolar, Single-Ended/Differential |
| Reference Voltage | Internal 2.5V (MAX1248), External (MAX1249) |
| Reference Buffer Amplifier Adjustment | ±1.5% |
| Serial Interface | 4-wire SPI/QSPI/MICROWIRE compatible |
| Power-Down Modes | Full power-down, Fast power-down (MAX1248 only), Internal clock mode, External clock mode |
| Package Type | 16-pin QSOP |
| Operating Temperature | -40°C to +85°C (typical range, check datasheet for specifics) |
Key Features
- High-bandwidth track/hold circuitry for accurate signal capture.
- Software-configurable analog inputs for unipolar/bipolar and single-ended/differential operation.
- 4-wire serial interface compatible with SPI, QSPI, and MICROWIRE devices without external logic.
- Serial strobe output for direct connection to TMS320-family digital signal processors.
- Internal clock or external serial-interface clock options for successive-approximation analog-to-digital conversions.
- Hard-wired active-low SHDN pin and software-selectable power-down modes to reduce power consumption.
- Quick turn-on time and automatic shutdown at the end of a conversion to minimize supply current.
Applications
The MAX1248BEEE+T is suitable for a variety of applications requiring low-power, high-speed analog-to-digital conversion. These include:
- Industrial control systems.
- Medical devices.
- Automotive systems.
- Portable and battery-powered devices.
- Data acquisition systems.
Q & A
- What is the resolution of the MAX1248BEEE+T? The MAX1248BEEE+T has a resolution of 10 bits.
- How many channels does the MAX1248BEEE+T support? The MAX1248BEEE+T supports 4 channels.
- What is the operating voltage range of the MAX1248BEEE+T? The operating voltage range is from +2.7V to +5.25V.
- Can the MAX1248BEEE+T operate in both unipolar and bipolar modes? Yes, it can operate in both unipolar and bipolar modes, as well as single-ended and differential modes.
- Does the MAX1248BEEE+T have an internal reference voltage? Yes, the MAX1248 has an internal 2.5V reference, while the MAX1249 requires an external reference.
- What types of serial interfaces are supported by the MAX1248BEEE+T? The MAX1248BEEE+T supports 4-wire SPI, QSPI, and MICROWIRE interfaces.
- How does the power-down feature work on the MAX1248BEEE+T? The device has hard-wired and software-selectable power-down modes, including full power-down and fast power-down (for MAX1248 only), and can automatically shut down at the end of a conversion.
- What is the package type of the MAX1248BEEE+T? The MAX1248BEEE+T is available in a 16-pin QSOP package.
- What are some typical applications for the MAX1248BEEE+T? Typical applications include industrial control systems, medical devices, automotive systems, portable and battery-powered devices, and data acquisition systems.
- How does the MAX1248BEEE+T connect to digital signal processors? The MAX1248BEEE+T has a serial strobe output that allows direct connection to TMS320-family digital signal processors.
